Finding the Fourth Proportional to 302,207,710.70, 453,311,566.05 and 278,021,240.30
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Solution
The fourth proportional to 302,207,710.70, 453,311,566.05 and 278,021,240.30 is: 417,031,860.45
Step by Step Solution
- Step 1: Write the proportion equation
302,207,710.70 : 453,311,566.05 = 278,021,240.30 : x - Step 2: Convert to fraction form
302,207,710.70/453,311,566.05 = 278,021,240.30/x - Step 3: Cross multiply
302,207,710.70x = 453,311,566.05 × 278,021,240.30 - Step 4: Simplify right side
302,207,710.70x = 126,030,243,835,556,384 - Step 5: Solve for x
x = 126,030,243,835,556,384/302,207,710.70 - Step 6: Final answer
x = 417,031,860.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.